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China develops direct test for rareearth impurities_我的网站

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中超第8轮，河南队主场3-1战胜青岛海牛。本场比赛河南队主帅南基一吃到本赛季第二张黄牌，下一轮对阵北京国安将停赛。

比赛进行到第77分钟，南基一在球没有完全出界的情况下触球，随后裁判向其出示黄牌。这是他本赛季第二次吃到黄牌，下一轮对阵北京国安将停赛。

北京时间4月25日19:35，中超第9轮，河南队将在客场对阵北京国安。    (ECNS) -- Chinese researchers have developed a method that can directly and precisely detect trace rare-earth impurities in high-purity rare-earth materials, overcoming a long-standing challenge caused by matrix interference, CCTV News reported Monday.    The breakthrough, led by a key laboratory under the State Administration for Market Regulation at Jiangxi University of Science and Technology, uses inductively coupled plasma tandem mass spectrometry (ICP-MS/MS). The technique eliminates the need for matrix separation, offering higher sensitivity, accuracy and faster testing.    The team has also made advances in sample pretreatment and instrument calibration. The technologies are already widely used by rare-earth producers and testing institutions to improve quality control and testing efficiency.                        。

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Published on:02:13:29